Development Research Group, Finance and Private Sector Development Unit (World Bank), 'Global Financial Inclusion (Global Findex) Database 2014 (Denmark)', 2015
INSEE (Institut National de la Statisque et des Etudes Economiques); Minnesota Population Center (University of Minnesota), 'General Population Census of 1990 - IPUMS Subset (France)', 2016
Facebook; The Organisation for Economic Co-operation and Development (OECD); World Bank, 'Future of Business Survey 2020 (Albania, Algeria, American Samoa...and 176 more)', 2021
Development Research Group, Finance and Private Sector Development Unit (World Bank), 'Global Financial Inclusion (Global Findex) Database 2021 (North Macedonia)', 2022